Old City Weather Forecast

    • 71
    • 97

    Chance Thunderstorms

    • 69
    • 91

    Slight Chance Thunderstorms

    • 68
    • 90

    Chance Rain Showers

    • 68
    • 91

    Mostly Sunny

    • 70
    • 92

    Mostly Sunny

    • 69
    • 94

    Chance Rain Showers

Today 5 Sep Knox

Mostly sunny. A slight chance of Showers and Thunderstorms early in the afternoon. A chance of Showers and Thunderstorms late. Humid with Highs in the upper 90s. Light Winds. Chance of rain 30 percent. Heat index Values around 106.

Tonight 5 Sep Knox

Mostly clear. Near steady temperature in the mid 70s. Light Winds.

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Old City Temperature Statistics

September Temperature

Knoxville, McGhee Tyson Airport (10.6 miles)

  • Lowest 2 September, 2026

    71.1 °F

  • Average September

    83.7 °F

  • Highest 2 September, 2026

    97 °F

Climate (2021–2026)

Knoxville, McGhee Tyson Airport (10.6 miles)

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  • Average Low 2021–2026

    51.4 °F

  • Average 2021–2026

    61.2 °F

  • Average High 2021–2026

    71.7 °F
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